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DTC P0112 & P0113: IAT Sensor

  1. Disconnect IAT sensor connector. Connect ohmmeter between IAT sensor connector terminals No. 1 and 2. If resistance is 2.3-2.7 k/ohms, go to next step. If resistance is not 2.3-2.7 k/ohms, replace IAT sensor.
  2. Check Green/Blue wire between IAT sensor terminal No. 1 and ECM terminal No. 16 for an open circuit or short to ground (P0112), or short to voltage (P0113). Repair as necessary.
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